计算机生成的临床决策在治疗无损心室隔膜的肺动脉
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Canberk Yıldırım1,2, Berk Ural2, Ender Odemis3
1Department of Mechanical Engineering, Istanbul Bilgi University, Istanbul, 34060, Turkey.
Cardiovascular engineering and technology
|December 20, 2024
概括
个性化血液动力学分析可以指导治疗完整的心室隔膜肺动力衰竭. 这种计算方法确定了可能从双心室修复中受益的患者,改善了手术结果.
科学领域:
- 心血管生理学心血管生理学
- 计算建模 计算建模
- 儿科心脏手术 儿科心脏手术
背景情况:
- 无损腹腔隔膜的肺动脉缩 (PAIVS) 是一种复杂的先天性心脏缺陷,需要量身定制的手术策略.
- 对于PAIVS的治疗决定传统上依赖于解剖学因素,如右心室 (RV) 尺寸和三环尺寸.
- 优化手术结果需要考虑个体的血液动力学概况,目前的方法无法完全捕获这些概况.
研究的目的:
- 调查个性化,计算血动力学评估的有效性,以指导PAIVS中的手术决策.
- 确定计算建模是否可以预测成功的双心脏修复与替代性手术途径.
- 建立在PAIVS中选择患者进行双心脏修复的血液动力学标准.
主要方法:
- 开发一个集成参数心血管模型,以模拟虚拟患者队列中的血液动力学.
- 以统计分布的循环参数生成虚拟患者,按RV大小分组.
- 在二心室和一个半心室 (1.5V) 修复策略的模拟中,评估器官床压力,流量和和.
主要成果:
- 与手术前状态相比,双心室和1.5V修复都显著改善了肺流量和氧和 (p < 0.001).
- 大约30%的患者在初始双心膜修复后需要1.5V修复,未能满足和/流量标准.
- 根据血液动力学标准,RV大小>22毫升/平方米的患者表现出成功修复双心室的可能性更高.
结论:
- 计算式预干预规划提供了一个个性化的方法来选PAIVS患者的最佳手术途径.
- 这种in silico方法可以识别那些在体内手术之前可能无法从传统的手术途径中获益的患者.
- 统计和计算方法促进了in silico临床试验,对PAIVS等罕见疾病有价值.
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